Leaning back on the deadlift? :S

OK I was deadlifting at the gym the other day and a personal trainer said "wanna lift heavy on the deadlift...?" and then showed me how he does them. He said to almost look up to the ceiling to fully use the hamstrings and lats, but lean back too to prevent back injuries. Now usually I'd brush it off seeing as though it sounds very unorthodox but as a personal trainer I thought I'd at least see what people thought on here so here's a crude mspaint drawing of how he looked at the top of the lift:

There is no need to "lean back" at the top of the lift. The entire thing began with competitive lifters having a little bit of an exaggerated lean so they could clearly demonstrate to judges that they'd locked out the weight. It's not something that is necessary or desirable for the the purposes of the lift itself.

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There is no need to "lean back" at the top of the lift. The entire thing began with competitive lifters having a little bit of an exaggerated lean so they could clearly demonstrate to judges that they'd locked out the weight. It's not something that is necessary or desirable for the the purposes of the lift itself.

^^^^This.

No brain, no gain.

You can't out-train bad nutrition.

"The fitness and nutrition world is a breeding ground for obsessive-compulsive behavior. The irony is that many of the things people worry about have no impact on results either way, and therefore aren't worth an ounce of concern."--Alan Aragon